Bachir Sayegh

Associate, Paris



Bachir Sayegh is an associate in the International Arbitration Practice in Paris.

He has represented private corporations, state entities and States in both investment treaty and commercial arbitrations under various rules including the ICC, UNCITRAL and ICSID arbitration rules.

In addition to his experience representing clients in disputes, Bachir regularly provides guidance on legal issues that arise on ongoing projects and on the preparation of pre-dispute strategies.

Bachir's practice covers a wide array of sectors with a particular focus on construction, infrastructure and financing, oil & gas, energy, mergers & acquisitions, and regulated network industries. 

He has extensive experience of disputes involving Western & Eastern Europe, the Balkans, North Africa, the Middle East and Latin America. 

Bars and Courts
Beirut Bar
Master 2
Private International Law & International Commercial Law
Université Panthéon-Assas, Paris II
Maîtrise, Private Law
Université Saint-Joseph de Beyrouth


Bachir's recent experience includes:

Representing the claimants in ENGIE and others v. Hungary, an ICSID arbitration under the Energy Charter Treaty and the France-Hungary BIT relating to the regulation of gas tariffs;

Representing the claimant in B3 Croatian Courier Coöperatief UA v. Republic of Croatia, an ICSID arbitration relating to the regulation of an investment made in the Croatian postal sector;

Representing Georgia in parallel ICC and ICSID arbitration proceedings brought respectively by a local company and its Dutch indirect minority shareholder in connection with a dispute arising out of the termination of an investment agreement to build and operate a deep-sea port;

Representing the claimant in an UNCITRAL investment treaty arbitration relating to a Caribbean State's regulation of the downstream oil & gas distribution market;

Representing a major Dutch conglomerate in an ICC dispute involving the multi-billion euro sale of a major European retailer;

Representing a South-East Asian investor in an ICC arbitration regarding the construction and operation of a major desalination plant project in North Africa;

Representing a major manufacturer of complex composite materials in an ICC arbitration involving the construction of a manufacturing plant in Western Europe;

Representing a European construction company in an ICC arbitration regarding the construction of a hydroelectric project in Chile;

Representing a European bank and its insurer in an ICC arbitration arising out of unpaid amounts under an export credit facility agreement;

Advising a series of Turkish contractors in relation to contractual claims arising from construction projects in Libya;

Advising a European contractor in local litigations and claim procedures arising out of the construction of energy production facilities in Algeria; and

Advising a Middle Eastern group of companies in relation to the wrongful termination of its distribution and agency rights.


"Partial Annulment of the Award in Rusoro v. Venezuela: Case Note on the Decision of the Paris Court of Appeal, 29 January 2019", Contemporary Asia Arbitration Journal, Vol. 12, No. 1, 31 May 2019 (with Michael Polkinghorne)

"Energy Sector Investment Protection in West Africa", African Law & Business, 7 June 2019 (with Robert Wheal and Elizabeth Oger-Gross)